Automatic stamping-machine.



H. 0. BROWN. AUTOMATIC STAMPING MACHINE.

APPLICATION FILED HA3. 6. 1912v Patented May 6, 1913.

2 SHBETSSHEET 1.

WITNESSES m2 VMQ ATTORNEYS I H. 0. BROWN. AUTOMATIC STAMPING MACHINE.

APPLIGATION FILED MAR.6,1912.

Patented May 6, 1913.

2 SHEETS-$151131 2.

I L-|-J KNVENTOR UNITED STATES PATENT OFFICE.

-IBZENRYI 0. BROWN, or BROOKLYN, NEW YORK, nssrenon To HENRY STOCKMAN, 0F

. ENe Ewoon, NEW JERSEY.

UTQMATIC STAMPING-MACHINE.

Specification of iletters Patent.

Patented May 6, 1913.

Application filed March 6, 1912. Serial No. 681,992.

stamping machine, and consists of means controlled by the material to be stamped for selectingand placingt-he proper stamp or die in position to apply the impression.

It further consists in providing means for preventing the stamp from injuring the ma,- terial. i a

It further consists of means-for actuating the stamp at the proper time.

It further consists of other novel features of construction, all *as will be hereinafter fully set forth. I

The annexed dr'awingsand the following description set forthin detail one mechanical form embodying the invention, such detail construction being but one of various mechanical forms in which the principle of the invention may be'used.

Figure '1 represents a side-elevation of a stamping machine'embodying my invention. Fig. 2 represents an end elevation thereof.

1 '3 represents-a side elevation of the stamp or die holder with two of the stamps in position thereon. Fig; 4 representsa sectionallniew on' line m03 Fig. 3. Fig. 5 representsa plan view of a portion of said holder ;'showing one of the stamps in-position. 1 I

Similar numerals of reference indicate correspondingpartsin the figures.

Referring to the "drawings :'.1' '.d"e signates the frame or support of amachine having a suitable table or .bed 2.-- Suitably journaled in the frame'lis a power-shaft 3, adapted 'toreceivepower-in any. suitable manner, as by having-avpulley 4. thereon adapted to :receive power from. any suitable source.

'5 designates an. eccentric suitably secured to. the? shaft-3,;which eccentric is in contact with and'actuatesan arm fi'pivoted to or fulcrumed, at. 7-, ion the frame 1 and provided Y 9 designatesa .bar movablyimounted in I the-frame 1, in; the, present instance, in'the sleeve .10, by which it-is :guided-in its movement, said bar; being adaptedi, to 'be engaged by and-released from the weighted or ree the standards 1 end of the arm 6, as will be hereafter described, and said bar being provided with a rack ll, which is in mesh with a pinion 12, secured to a shaft 13, which is suitably journaled, in the present instance, in the standards 14, said bar and rack servin as a gaging element and as a selector or the stamps.

15 designates a spring, which, in the present instance, is shown as a coil spring, one end of which is connected with the shaft 13 and the opposite end of which is suitably connected to a. rigid'point, such as one of 16 designates as tamp holder, which may be of any suitable construction, and, as here shown, consists of a disk case having a hub ing the outer flange 19 and an. inner flange 20. The outer flange is provided with suitable openings for movably receiving the stamps 21, which, a's here shown, are provided with the squared body and with a pin '22-, which is movable in an openin in the flange 20 in order to assist in gui ing the stamp in its movement.

23 designates an ear on each of the stamps,

which projects outwardlybeyond the edge of the flange 20 and is movable in a'slot 24 provided in the flange '19. A spring 25 is suitably connected with each of-the stamps and also witha suitable part of the stamp holder, in the resent instance with the hub 17 for yielding y retaining thestamp in position and returning the same thereto after actuation. v

26 designates an arm or hammer which is .carried by a bar 27 suitably journaled on the frame 1, said bar being provided with a pawl or latch 28 upon which bears a spring 29, which serves to hold the said pawl 28 in proper posltion andreturn the same thereto after it has been moved therefrom. As

will be noted, thesaid pawl is provided with the] inclined face 30, which, upon the upward movement of the arm 26, will ride upon the curved or inclined face 31 of any of the ears of the stamps and yield, should the same be in position vtherefor. Also connected with the bar 27 is a lever 32 which of which is held in normal position with respect to the lever 32 by means of a spring 34 act-ing upon a pin 35, which passes use through a suitable opening 36 in the lever 32 and which is in suitable engagement with the arm 33, whereby it will be understood that said arm 33 is held in suitable position with respect to the lever 32, but will yield at a suificient pressure. Secured to the power-shaft 3 is a cam 37, which is suitably located in order to actuate at the proper time the arm 33, in the present instance by contact with a roller 38 mounted thereon. A spring 39 is connected with the arm 33 and with a suitable fixed point which normally tends to holdthe parts in the path of the said cam 37.

The operation is as follows :The, material to be stamped, which is shown at 40, is placed upon the bed or support 2 of the rame and as the shaft 3 is rotated by the power applied to the pulley 4, the eccentric 5 will raise the lever 6 and weighted end thereof when the larger part of the eccentric reaches the same, which will elevate the bar 9-and rack 11, and will impart rotary movement to the shaft '13 and so to the type disk or holder 16. By the continued rotation of the eccentric 5 the smaller part thereof reaches the lever 6 and the same will lower, permitting the bar 9 to fall and carry with it the rack 11 until the end of the bar comes in contact with the material 40 resting upon the bed 2. No further downward movement of the rack can occur, so that no further rotation of the stamp holder 16 will occur and as the relation of the pinion, rack and point of stoppage of the bar is suitably proportioned, the proper stamp carried by the holder will be selected and located in proper position to be actuated to stamp the material, it being understood that the ear 23 of this selected stamp will. be in the path of movement of the latch 28. In the meantime, it-will be understood that the rotation of the cam 37 with the shaft?) is so timed that it will engage the arm 33, moving the same in the direction of the arrow in said figure, and carrying with it the lever 32 since the spring 34 which resiliently holds the arms 33 and the lever 32 in suitable position with respect to each other will be strong enough to cause the said lever 32 to move with the arm 33. This will rock the bar 27 and move the armor hammer 26in order to cause the latch 28 to strike the car 23 of the stamp which is in-line therewith. This will force out the stamp against the tension of its spring 25, actuating the same with suflicient force to press the stam into the material. It will be understood't at the thicker the material the shorter the distance the stamp must travel to make the impression and in order to prevent injury to the material by the continued movement of the cam 37, the spring 34 will be compressed and so the arm 33 may move without moving the lever 32, so that the cam 37 can pass the said arm 33 I by overcoming the tension of the spring 34,

without further actuation of the lever 32 and hammer 26, .thus providing a spring relieving action the effect of which will be evident. As soon as the cam 37 passes the arm 33, the springs 34 and 39 return the parts to their normal position and the material is removed, permitting the arm 9 to return to the proper position to again contact with the weighted end of the lever 6, which through the medium of the rack 11 and pinion 12 will rotate the stamp holder into its normal position. In order to hold the stamps steady in position, I have employed the spring 15, which, as it will be noted, is tightened as the shaftis rotated by being coiled, and will hold the disk firmly while the selected stamp is acted upon by the latch, said spring 15 also assisting in returning the shaft 13 and stamp holder 16 to normal posit-ion, as will be evident. By this means it will be seen that the material to be stamped selects the stamp which is to be applied thereto and locates said stamp in proper position for actuation, since it will be understood that the parts are properly arranged and organized and the relative movement of the rack .is such that the point at which it is arrested by the material there under, will locate the proper stamp in position for actuation, since the stamp and its holder is moved a certain part of a revolution, through the pinion and rack, in order to locate the stamp required, in place, before the hammer is actuated to engage the stamp projection and drive the figure thereon into the material. It will be understood that the shaft carrying the cams and driving pulleys revolves continuously, thus revolving the disk and operating the hammer at each revolution, but when no .material is in the ma chine, the disk carries the stamp into such a position, that no action of the hammer upon any of the ears on the stamp takes place, as will be evident.

- The machine is adapted for use upon any suitable material upon which notations or stamping is desired and is particularly adapted for use on cardboard, paper, leather and rubber or any material or stock which is to be graded by its thickness.

It will be understoodthat any suitable notations or stamps may be employed and in order to indicate fractional sizes, I have provided the arms 41 extending from each stamp so that should the located stamp be positioned somewhat out of a radial line, the said extending arm will be impressed in the material in addition to the notation of the stamp proper, as will be evident.

Other modes of applying the principle of my invention may be employed for the mode herein explained. Change may therefore be made as regards the mechanism thus disclosed, provided the principles of construction set forth respectively in the following claims are employed.

Having thus described my invention,-wh at .I claim as new and desire to secure by Letters Patent, is v 1. In a device of the character stated, a set of stamps, a holder for said stamps, a gaging element, means operatively connecting said element with said holder for moving the same to control the same to locate a stamp in accordance wit-h the thickness of the material to be stamped, and means independent of the material to move said gaging element out of gaging position, said means being adapted to be actuated to permit said element to move into contact with and rest against the material'whereby the said element as well as the stamps arearrested in their movement and the proper stamp thus located and held in operative position.

2. In a device of the character stated, a set of stamps, a holder for carrying, said stamps, a gaging element, meansoperatively connecting'said element with said holder to control the same to locate a stamp in accordance with the thickness of the material to be stamped, means independent of the material to move said gaging element out of gaging position, said means being adapted to be actuated to permitthe said element to move into contact with and rest against said material, and automatic means operating while the said gaging element is in rest position to effect a proper stampin action.

3. In a device of the c aracter stated, a stamp holder, a series of stamps resiliently supported thereby, a bar, for actuating said stamp holder, means to move said bar out of gaging position, said means being. adapted to be actuated to permit said bar to move into contact with'and rest against the material for locating a stamp in operative position, a main drlvin shaft, and means operated by said shaft or actuating said located stamp to make an impression.

'4. In a device of the character stated, a stamp holder, a series of stamps resiliently supportedthereby, a bar for actuating said stamp holder, means to move said bar out ,of'

gaging position, said means being-adapted to be actuated to permit said bar to move into contact with and rest against the material, whereby said bar is arrested for locating the proper stamp in operative position,

a hammer lever having a spring relieving action, and means for. actuating said hammer lever during the rest position of the said located stamp to operate the same'to make an impression 5. In a device of the character stated, a

stamp holder, a series of stamps resiliently supported thereby, a bar for actuating said stamp holder, means to move said bar out of gaging position, said means being adapted to e'actuated to permit said bar to move into contact with and rest against the material,whereby the said bar is arrested for 'locatin the proper stamp in operative osition, a ammer lever having a spring re ieving action, a spring pressed latch on said hammer, and means for actuating said hammer and latch for operating said located -stamp to make an impression.

6. I11 a device of the character stated, a stamp holder, a resilient holding means therefor, a series of stampseach movably mounted and resiliently held in said holder, and each having an engaging means thereon, .a bar for actuating said stamp holder,means to move said bar out of gaging position, said set of stamps,.a holder for'said stamps, a

gaging element, means operatively connecting said element with the holder for moving the same, means independent of said material to move said aging element out of gaging-positiomsaif means beingadapte to be actuated to permit said element to move 'into contact with and rest against the material for a predetermined time, whereby the proper stamp] is located and held in operative position, and a hammer cooperating with the selected stamp .to force t e same against" the, material.

8. In a devicexof the character stated, a stam holder, a series of=stamps supported there y,a gaging elemenameans. operatively connecting said gaging element and said holder, means to move said gaging element out of gaging position, sai means being adapted to be actuated so as to permit the gaging element to contact with the material for locating a stamp in operative position, and means for actuating said located stamp to make the impression.

HENRY C. BROWN.

Witnesses:

WM. H. LosEA, FRANK E. HoLnowAY. 

